• On October 11, the team claimed catcherCaleb Hamilton off waivers from theMinnesota Twins; in a corresponding move, outfielderAbraham Almonte wasdesignated for assignment.^[14] Almonte subsequently elected to become afree agent.^[15]
• On October 13, the team claimed pitcherJake Reed off waivers from theBaltimore Orioles; in a corresponding move, pitcherEduard Bazardo was designated for assignment.^[16] Bazardo later elected to become a free agent.^[17]
• On October 31, pitcherTyler Danish elected minor-league free agency, after being placed on waivers and removed from the40-man roster by the team.^[18]

• On November 6, the following players elected free agency:Nathan Eovaldi,Rich Hill,J. D. Martinez,Matt Strahm, andMichael Wacha.^[19]
• On November 7,Xander Bogaerts elected free agency.^[19]
• On November 8, the team announced that pitcherJames Paxton exercised his $4 million option to remain a member of the Red Sox for the 2023 season.^[20]
• On November 9, the team traded pitcherEaston McGee to theSeattle Mariners for cash.^[19]
• On November 10, the Red Sox announced that both the team and outfielderTommy Pham declined a mutual option, making him a free agent.^[21]
• On November 10, the team selected the contract of infielderEnmanuel Valdez from theWorcester Red Sox.^[19]
• On November 15, the team designated two players for assignment—Caleb Hamilton andJake Reed—and added five players to the 40-man roster:Wilyer Abreu,David Hamilton,Ceddanne Rafaela,Chris Murphy, andBrandon Walter.^[19] Reed was later claimed off waivers by theLos Angeles Dodgers.^[19]
• On November 16, bench coachWill Venable left the team to join theTexas Rangers as associate manager.^[22]
• On November 18, the team non-tenderedYu Chang andFranchy Cordero, making both players free agents.^[23]
• On November 23, the team signed free-agent left-handed pitcherJoely Rodríguez to a one-year contract with a club option for 2024.^[24]
• On November 23, the team acquired infielderHoy Park from thePittsburgh Pirates in exchange for minor-league left-handed pitcher Inmer Lobo.^[25]
• On November 29, the team promotedRamón Vázquez to bench coach.^[26]
• On November 30, the team announced a 10-year agreement withMassMutual; the agreement includes the team wearing MassMutual uniform patches, and MassMutual signage at Fenway Park.^[27]

• On December 2, the team sent catcherRonaldo Hernández outright to Worcester, removing him from the 40-man roster.^[28]
• On December 7, minor-league pitcherThad Ward—a fifth-round selection by Boston during the2018 MLB draft—was selected by theWashington Nationals with the first pick of the 2022Rule 5 draft.^[29] Also selected from Boston's minor-league system were pitchersAndrew Politi by theBaltimore Orioles andNoah Song by thePhiladelphia Phillies.^[29]
• On December 8, the team signed free-agent pitcherChris Martin to a two-year contract.^[30]
• On December 9, free-agentXander Bogaerts, who had played 10 seasons with Boston, signed with theSan Diego Padres.^[31]
• On December 13, the team signed free-agent relieverKenley Jansen to a two-year contract; in a corresponding move,Hoy Park was designated for assignment.^[32] Park was subsequently traded to theAtlanta Braves for aplayer to be named later or cash considerations.^[33]
• On December 15, the team signed outfielderMasataka Yoshida, previously with theOrix Buffaloes ofNippon Professional Baseball (NPB), to a five-year contract; in a corresponding move, infielderJeter Downs was designated for assignment.^[34] Downs was later claimed by theWashington Nationals.^[35]
• On December 16, the team acquired relief pitcherWyatt Mills from theKansas City Royals in exchange for minor-league pitcher Jacob Wallace.^[36] In a corresponding move, the Red Sox designatedEric Hosmer for assignment.^[37] Hosmer was released on December 22.^[38]
• On December 27, free-agentNathan Eovaldi, who had spent the prior five seasons with Boston, signed with theTexas Rangers.^[39]

• On January 3, the team andRafael Devers agreed to terms on a one-year contract, avoidingsalary arbitration.^[40]
• On January 4, the team named former MLB outfielderKyle Hudson as first base coach and outfield instructor.^[41]
• On January 6, the team signedJustin Turner to a one-year contract; in a corresponding move, pitcherDarwinzon Hernández was designated for assignment.^[42]
• On January 10, the team announced thatTrevor Story underwent surgery on his rightulnar collateral ligament (elbow), and that he would miss at least part of the 2023 season.^[43]
• On January 11,Darwinzon Hernández was traded to theBaltimore Orioles in exchange for cash considerations.^[44]
• On January 11, the team announced a 10-year contract extension, worth $331 million, with Rafael Devers.^[45]
• On January 12, the team signed pitcherCorey Kluber to a one-year contract for the 2023 season, with an option for 2024; in a corresponding move, pitcherConnor Seabold was designated for assignment.^[46] Seabold was subsequently traded to theColorado Rockies.^[47]
• On January 13, the team reached agreement on one-year contracts with five players, avoiding salary arbitration:Christian Arroyo,Ryan Brasier,Reese McGuire,Nick Pivetta, andAlex Verdugo.^[48]
• On January 24, the team traded pitcherJosh Taylor to theKansas City Royals in exchange for shortstopAdalberto Mondesí and aplayer to be named later.^[49]
• On January 24, the team signed outfielderAdam Duvall to a one-year contract; in a corresponding move, pitcherMatt Barnes was designated for assignment.^[50]
• On January 30, Barnes was traded to theMiami Marlins in exchange for relief pitcherRichard Bleier; in a corresponding move, relief pitcherFrank German was designated for assignment.^[51] German was later traded to theChicago White Sox for minor-league pitcher Theo Denlinger.^[52]

• On February 16, the team signed infielderYu Chang to a one-year contract; in a corresponding roster move,Trevor Story was placed on the 60-dayinjured list.^[53]

• OnOpening Day, March 30,Adalberto Mondesí was placed on the 60-day injured list due to a leftACL tear;^[54] his spot on the 40-man roster was used to activeRaimel Tapia.^[55][56]

March 30–April 2, vs.Baltimore Orioles

The Red Sox opened the season with a loss at Fenway to the Orioles. After trailing, 10–4, entering the eighth inning, the Red Sox scored five unanswered runs in the final two innings and had the tying run at second base when the game ended. StarterCorey Kluber took the loss after allowing five runs on six hits in3+1⁄3 innings. The Red Sox rallied from an early 7–1 deficit to win the second game of the series, 9–8. Trailing by a run entering the ninth inning, Orioles left fielderRyan McKenna dropped a two-out fly ball, allowing the next batter,Adam Duvall, to hit a two-runwalk-off home run. Boston starterChris Sale allowed seven runs on seven hits in three innings, but escaped with ano decision. RelieverKenley Jansen received the win. In the final game of the series, Boston again scored nine runs, defeating the Orioles by a 9–5 score. The Red Sox became the third MLB team since 1901 to score at least nine runs in each of their first three games, joining the1976 Cincinnati Reds and1978 Milwaukee Brewers.^[66][67][68] Five Boston batters had multiple hits, led by Duvall with three hits and two RBIs. StarterTanner Houck earned the win after allowing three runs on five hits in five innings.

Red Sox won the series 2–1 (27–23 runs)

April 3–April 5, vs.Pittsburgh Pirates

Boston lost the opener of a three-game series against the Pirates, 7–6. The Red Sox had a 5–3 lead after the first inning, but trailed 7–5 after four innings.Alex Verdugo had three hits. StarterKutter Crawford took the loss after allowing seven runs on eight hits in four innings. In the middle game of the series, the Red Sox scored once in the bottom of the first inning, then were shutout for the remainder of the game, a 4–1 win for Pittsburgh.Reese McGuire had two of Boston's four hits. StarterNick Pivetta allowed three runs (one earned) on three hits in five innings and took the loss. The final game of the series was another 4–1 win for the Pirates, completing their series sweep.Christian Arroyo had two hits and drove in Boston's only run. StarterCorey Kluber allowed one run on three hits in five innings and took the loss.

Red Sox lost the series 0–3 (8–15 runs)

April 6–April 9, atDetroit Tigers

The opener of a three-game series in Detroit was won by Boston, 6–3. StarterChris Sale earned the win after allowing three runs on four hits in five innings, whileKenley Jansen earned his firstsave as a member of the Red Sox.Adam Duvall andRafael Devers both homered. The Red Sox won the second game of the series, 14–5. Devers hit two home runs, including the team's firstgrand slam of the season. Duvall andRaimel Tapia also homered. StarterTanner Houck earned the win after allowing two runs on three hits in five innings. Boston completed the series sweep with a 4–1 win on Sunday. StarterKutter Crawford allowed one run on five hits in five innings and earned the win, while Jansen notched his second save of the season.Triston Casas homered and had two RBIs. Duvall left the game in the ninth inning after apparently injuring his left wrist while attempting to make a catch in the outfield.^[69] The team later announced that he broke his wrist, and he was placed on theinjured list.^[70]

Red Sox won the series 3–0 (24–9 runs)

April 10–April 13, atTampa Bay Rays

The opener of a four-game series in Tampa Bay was won by the Rays, 1–0, on an eighth-inning home run byBrandon Lowe. The win brought Tampa Bay's record to 10–0 for the season. The Red Sox were limited to three hits, although they did load the bases with two outs in the eighth inning, only to haveRafael Devers strike out. StarterNick Pivetta held the Rays scoreless through five innings, having allowed three hits while striking out six batters. RelieverChris Martin took the loss. The Rays also won the second game of the series, 7–2.Reese McGuire had two of Boston's six hits, plus an RBI. StarterGarrett Whitlock allowed five runs on eight hits in five innings and took the loss. The third game of the series was another Tampa Bay win, 9–7. StarterChris Sale allowed six runs (five earned) on seven hits in four innings and took the loss. McGuire had three hits and Devers hit a three-run homer. The Rays completed the sweep on Thursday with a 9–3 win, giving them a 13–0 record. The Red Sox fell to 5–8. StartedCorey Kluber fell to 0–3 after allowing four runs on four hits in4+2⁄3 innings and taking the loss.Justin Turner had two of Boston's four hits.

Red Sox lost the series 0–4 (12–26 runs)

April 14–April 17, vs.Los Angeles Angels

The Red Sox ended their losing streak at four games with a 5–3 win over the Angels, who committed threeerrors. StarterTanner Houck had ano decision after allowing two runs on four hits in four innings.Josh Winckowski, who pitched three innings in relief, earned the win whileKenley Jansen recorded his thirdsave of the season.Rafael Devers hit his sixth home run of the season. Boston won the second game of the series, played onJackie Robinson Day, 9–7. StarterNick Pivetta allowed six runs (including a first-inninggrand slam) on five hits in four innings, but had a no decision.Ryan Brasier, the fourth of five Red Sox relievers, got the win, and Jansen closed out the game for another save. Devers again homered, whileYu Chang had two hits (one a home run) and four RBIs. The third game of the series was also won by Boston, 2–1, with both runs coming on aJustin Turner home run in the bottom of the third inning. StarterGarrett Whitlock went seven innings, earning the win after allowing one run on three hits. Brasier pitched the ninth inning and earned the save. The Angels avoided a sweep with a 5–4 win in the final game of the series, played onMarathon Monday. The Angels scored four runs in the top of the first inning off of starterBrayan Bello, who took the loss after allowing five runs on eight hits in2+2⁄3 innings. Devers was the only Boston batter to record two hits.

Red Sox won the series 3–1 (20–16 runs)

April 18–April 20, vs.Minnesota Twins

The Red Sox won the opener of a three-game series against the Twins, 5–4, in 10 innings. Tied 2–2 after nine innings, Minnesota scored twice off ofJohn Schreiber in the top of the 10th, but Boston responded with three runs off ofJovani Morán in the bottom of the frame. StarterChris Sale allowed one run on three hits in six innings.Alex Verdugo had three hits and drove in the winning run. In the second game of the series, Minnesota scored three runs in the top of the first inning en route to a 10–4 win. StarterCorey Kluber allowed seven runs on six hits in five innings and took the loss.Enmanuel Valdez made his MLB debut and went 2-for-4 at the plate. Boston won the final game of the series, 11–5, after taking a 7–0 lead after three innings. StarterTanner Houck earned his third win of the season, allowing three runs on six hits in seven innings. Verdugo homered andJarren Duran drove in three runs.

Red Sox won the series 2–1 (20–19 runs)

April 21–April 23, atMilwaukee Brewers

In the opener of a three-game series in Milwaukee,Nick Pivetta earned his first win of the season in a 5–3 game. He allowed three runs on seven hits in5+2⁄3 innings.Kenley Jansen recorded his fifthsave of the season.Alex Verdugo hit a two-run home run. The second game of the series was a 5–4 win by the Brewers. StarterGarrett Whitlock allowed five runs on eight hits in four innings, taking the loss.Rafael Devers andYu Chang accounts for all four Red Sox RBIs, as each hit a two-run homer. Boston won the final game of the series, 12–5. StarterBrayan Bello had ano decision after allowing three runs on five hits in4+2⁄3 innings. The win went toKaleb Ort, the second of four Red Sox relievers.Masataka Yoshida hit two home runs in the eighth inning, the second one agrand slam.

Red Sox won the series 2–1 (21–13 runs)

April 24–April 26, atBaltimore Orioles

In the first of three games in Baltimore, Boston took an early 4–0 lead, but suffered a 5–4 loss. StarterChris Sale allowed five runs on nine hits in five innings and took the loss.Rafael Devers andTriston Casas homered, whileMasataka Yoshida had three hits. The Red Sox won the second game of the series, 8–6, after jumping out to an early 7–0 lead. StarterCorey Kluber allowed one run on five hits in six innings and earned his first win of the season.Kenley Jansen closed out the game for his sixthsave.Jarren Duran had agrand slam. Boston lost the final game of the series, 6–2, with starterTanner Houck taking the loss after allowing four runs (three earned) on seven hits in five innings.

Red Sox lost the series 1–2 (14–17 runs)

April 28–April 30, vs.Cleveland Guardians

The Red Sox lost the first game of a three-game home series against the Guardians, 5–2. StarterNick Pivetta allowed four runs on five hits in five innings and took the loss.Jarren Duran had three hits. Boston won the second game of the series, 8–7 in 10 innings. The Red Sox held a 6–1 lead after six innings, but the Guardians forced extra innings with five unanswered runs in regulation. After Cleveland scored once in the top of the 10th,Christian Arroyo andAlex Verdugo each had RBI singles in the bottom of the frame for the victory.Brennan Bernardino, the last of seven Red Sox pitchers during the game, got the win. The two teams combined for 30 hits. The Red Sox won the final game of the series, 7–1, on Sunday afternoon.Chris Sale went6+1⁄3 innings for the win, allowing one run on three hits. Verdugo had two hits, one of them a home run, and three RBIs.

Red Sox won the series 2–1 (17–13 runs)

The Red Sox ended the first month of the season (including one March game) with a 15–14 record, tied for fourth place in theAmerican League East with the Yankees, eightgames behind the Rays.

Boston entered May with a 15–14 record, tied with the Yankees at the bottom of theAmerican League East, having just won two of three games in a home series against Cleveland.

May 1–May 4, vs.Toronto Blue Jays

The Red Sox opened a four-game home series against the Blue Jays with a 6–5 win. Entering the bottom of the ninth inning tied, 5–5,Alex Verdugo hit awalk-off home run. StarterCorey Kluber had ano decision after pitching5+1⁄3 innings while allowing three runs on five hits.Josh Winckowski pitched the final two innings for Boston and received the win. The second game of the series was also a one-run Boston win, 7–6.Connor Wong was 4-for-4 with two home runs. StarterTanner Houck had a no decision after allowing six runs on six hits in six innings. RelieverRichard Bleier got the win and Winckowski earned asave. The third game of the series, played in rainy weather, saw the two teams combine for sixerrors as Boston won, 8–3. StarterNick Pivetta allowed three runs on five hits in six innings and earned the win.Triston Casas went 3-for-5 and had two RBIs. The series' final game was an 11–5 Red Sox win, completing the sweep. StarterBrayan Bello earned the win after allowing four runs (two earned) on six hits in five innings. Four Boston batters had three hits each, includingRafael Devers who had four RBIs.

Red Sox won the series 4–0 (32–19 runs)

May 5–May 7, atPhiladelphia Phillies

The Red Sox opened a three-game road series in Philadelphia with a 5–3 win. The game was delayed for approximately 10 minutes during the first inning, after a fan fell into the Red Sox bullpen from a spectator area in the outfield.^[71] StarterChris Sale earned the win, having allowed three runs on seven hits in six innings.Kenley Jansen posted his seventhsave of the season. The second game of the series was also won by Boston, 7–4, largely powered by a five-run fourth inning. StarterCorey Kluber went five innings, allowing three runs on seven hits and earned the win, while Jansen notched another save.Rafael Devers had three hits and two RBIs. Boston's winning streak ended at eight games with a 6–1 loss in the final game of the series.Triston Casas homered for the only Red Sox run. StarterTanner Houck took the loss after allowing three runs on five hits in the5+2⁄3 innings.

Red Sox won the series 2–1 (13–13 runs)

May 9–May 10, atAtlanta Braves

In Atlanta for a short two-game series, Boston lost the opener, 9–3. StarterNick Pivetta took the loss after allowing seven runs on eight hits in four innings.Alex Verdugo had three hits, whileMasataka Yoshida was hitless for the first time in 16 games.^[72] The Red Sox won the second game of the series, 5–2. StarterBrayan Bello earned the win, allowing two runs on six hits in six innings.Kenley Jansen earned thesave, the 400th of his MLB career.^[73]Triston Casas homered.

Red Sox split the series 1–1 (8–11 runs)

May 12–May 14, vs.St. Louis Cardinals

In a three-game home series hosting the Cardinals, the Red Sox lost the opener, 8–6. Making his first start of the season,James Paxton allowed two runs on four hits in five innings for ano decision. Boston entered the top of the ninth with a 6–5 lead, but closerKenley Jansen allowed three runs on three hits for ablown save, and took the loss after Boston was unable to score in the bottom of the ninth. The second game of the series again saw St. Louis rally for three ninth-inning runs, defeating Boston, 4–3. StarterChris Sale went eight innings, allowing one run on three hits. Jansen took the loss again, allowing three runs (two earned) on one hit and threewalks.Rob Refsnyder had three hits and two RBIs, whilePablo Reyes had two hits in his Red Sox debut. OnSunday Night Baseball, the Cardinals completed the series sweep with a 9–1 victory. StarterCorey Kluber took the loss after allowing four runs on seven hits in five innings.Rafael Devers had two of Boston's five hits.

Red Sox lost the series 0–3 (10–21 runs)

May 15–May 17, vs.Seattle Mariners

Boston lost their fourth game in a row, falling 10–1 to Seattle in the opener of a three-game series at Fenway. StarterTanner Houck allowed four runs on five hits in five innings and took the loss.Rafael Devers had the only Red Sox RBI. Position playerPablo Reyes pitched the ninth inning for Boston. The Red Sox ended their losing streak with a 9–4 win in the second game of the series. StarterNick Pivetta earned the win after allowing four runs on six hits in5+1⁄3 innings.Masataka Yoshida had three RBIs. In the final game of the series, Boston jumped out to an early 9–0 lead after two innings en route to a 12–3 victory. StarterBrayan Bello improved to 3–1 on the season after allowing one run on three hits in five innings. Red Sox batters had 16 hits, while Reyes led the team with four RBIs.

Red Sox won the series 2–1 (22–17 runs)

May 19–May 21, atSan Diego Padres

Opening a three-game road series in San Diego,Rafael Devers homered twice as Boston won, 6–1. StarterJames Paxton earned the win after allowing one run on five hits in six innings. The Red Sox won the second game of the series, 4–2. StarterChris Sale earned the win after allowing two runs on three hits in seven innings.Kenley Jansen recorded his 10thsave of the season, andEnmanuel Valdez had a three-run homer. Boston was shutout in the series' final game on Sunday, 7–0, despite outhitting the Padres. StarterCorey Kluber fell to 2–6 on the year after allowing five runs (one earned) on three hits in2+1⁄3 innings.

Red Sox won the series 2–1 (10–10 runs)

May 22–May 24, atLos Angeles Angels

Boston lost the first game of a three-game road series against the Angels, 2–1. Tied 1–1 in the eighth inning, Red Sox relieverKutter Crawford gave up a home run toMickey Moniak, which proved to be the winning run. StarterTanner Houck had ano decision after allowing one run on three hits in six innings.Masataka Yoshida had two of Boston's four hits and drove in the team's only run. The second game of the series was won by the Angels in a 4–0 shutout. StarterBrayan Bello took the loss after allowing two runs on six hits in seven innings. The Red Sox were limited to two hits. The Angels won the third game, 7–3, to complete the series sweep. StarterJames Paxton took the loss, having allowed five runs on four hits in three innings.Connor Wong homered.

Red Sox lost the series 0–3 (4–13 runs)

May 26–May 28, atArizona Diamondbacks

Boston won the opener of a three-game series in Arizona, 7–2. StarterChris Sale improved to 5–2 on the year, earning the win after allowing one run on four hits in five innings.Kiké Hernández had a two-run homer, whileAlex Verdugo andTriston Casas each had three hits. The Red Sox also won the middle game of the series, 2–1. StarterGarrett Whitlock earned the win after holding the Diamondbacks to one run on three hits in five innings.Kenley Jansen earned his 11thsave of the season. Boston could not complete a sweep, falling to Arizona by a 4–2 score on Sunday. StarterTanner Houck fell to 3–4 on the season, having allowed four runs on six hits in four innings.

Red Sox won the series 2–1 (11–7 runs)

May 30–May 31, vs.Cincinnati Reds

In the opener of a three-game series hosting Cincinnati, a five-run rally in the ninth inning by Boston came up a run short, as the Reds prevailed, 9–8. StarterBrayan Bello fell to 3–3 on the season despite only allowing one run on five hits in four innings. RelieverJoely Rodríguez surrendered five runs in2⁄3 of an inning, including agrand slam toJosé Barrero.Raimel Tapia andMasataka Yoshida each had three hits for the Red Sox. The Red Sox lost the second game of the series, 5–4. StarterJames Paxton had ano decision after allowing one run on four hits in five innings; relieverJosh Winckowski allowed three runs (all unearned) in1+1⁄3 inning and took the loss.

The Red Sox exited May with a 28–27 record, at the bottom of the five-teamAmerican League East,10+1⁄2games behind the Rays.

Boston entered June with a 28–27 record, in last place of theAmerican League East, having just lost the first two games of a three-game series at Fenway hosting the Reds.

June 1, vs.Cincinnati Reds (cont'd)

The Red Sox avoided being swept with an 8–2 win over the Reds. StarterChris Sale left the game due to shoulder soreness after3+2⁄3 innings, having allowed one run on five hits.^[74] He was followed by five relievers, withChris Martin, who pitched the eighth inning, earning the win.Kiké Hernández had two hits, including a home run, and drove in three runs.

Red Sox lost the series 1–2 (20–16 runs)

June 3–June 5, vs.Tampa Bay Rays

The June 2 game against the Rays was postponed to June 5, due to rain.^[75] The four-game series already had adoubleheader slated for Saturday, resulting in the makeup game being placed on what had been a scheduled off day. Boston won the first game played on Saturday, 8–5. The Red Sox used six pitchers, with starterGarrett Whitlock getting ano decision, relieverCorey Kluber earning the win, andKenley Jansen recording his 12thsave of the season.Alex Verdugo had three hits and two RBIs. Saturday's second game was won by Tampa Bay, 4–2. StarterKutter Crawford pitched three innings and had a no decision; Jansen took the loss after allowing two runs on three hits in the top of the ninth inning.Triston Casas was the only Boston batter to record two hits. The Rays won the Sunday afternoon game, 6–2. StarterTanner Houck took the loss after allowing four runs on five hits in five innings. Verdugo again had three hits. Monday's makeup game was won by the Rays, 4–1. StarterBrayan Bello fell to 3–4 on the season after allowing three runs on six hits in six innings.Justin Turner homered for Boston's only run. The loss dropped the Red Sox to 30–30 on the season.

Red Sox lost the series 1–3 (13–19 runs)

June 6–June 8, atCleveland Guardians

Boston won the opener of a three-game series in Cleveland, 5–4, largely due to a four-run eighth inning. StarterJames Paxton went seven innings, allowing two runs on six hits, and earned the win.Kenley Jansen recorded his 13thsave of the season.Masataka Yoshida had three hits, whileKiké Hernández drove in two runs. The Guardians won the middle game of the series, 5–2. The teams combined for five errors. StarterKutter Crawford allowed three runs (two earned) on five hits in three innings, and fell to 1–3 on the season. Cleveland won the final game of the series, 10–3. Boston called upMatt Dermody fromTriple-A for the start; he took the loss after allowing three runs on four hits in four innings.Corey Kluber gave up seven runs in3+1⁄3 innings of relief.Triston Casas had two hits, including his seventh home run of the season. The loss dropped the Red Sox below .500 for the first time since April 28.^[76]

Red Sox lost the series 1–2 (10–19 runs)

June 9–June 11, atNew York Yankees

Boston won the opener of a three-game series in The Bronx, 3–2. StarterGarrett Whitlock allowed two runs (one earned) on seven hits in6+1⁄3 innings, earning the win.Kenley Jansen earned asave.Rafael Devers andKiké Hernández both homered. The Yankees won the middle game of the series, 3–1.Tanner Houck fell to 3–6 on the season after allowing two runs on three hits in six innings. Devers again homered, for the only Red Sox run. In the final game of the series, the Red Sox defeated the Yankees, 3–2, in 10 innings on Sunday night. Hernández had two hits and drove in the winning run. StarterBrayan Bello had ano decision after allowing two runs on three hits in seven innings. Jansen pitched a scoreless ninth inning and earned the win, withChris Martin earning the save.

Red Sox won the series 2–1 (7–7 runs)

June 12–June 14, vs.Colorado Rockies

The first game of a three-game home series was won by Colorado, 4–3, as Boston was not able to hold a 2–1 lead entering the eighth inning. StarterJames Paxton had ano decision after allowing one unearned run on four hits in six innings. RelieverNick Pivetta, who allowed two unearned runs in the top of the 10th inning, took the loss. The second game of the series was again an extra-innings win for the Rockies, 7–6. The Red Sox rallied from a 4–0 deficit to tie the game, 4–4, after six innings. In the 10th inning, Colorado scored three runs while Boston could only answer with two runs. StarterKutter Crawford went four innings and had a no decision after allowing four runs on five hits.Justin Garza allowed three runs (two earned) on two hits in the 10th inning, and took the loss.Rafael Devers had two home runs and four RBIs. The final game of the series was delayed two hours by rain, then won by the Red Sox, 6–3. StarterGarrett Whitlock went seven innings, allowing two runs on six hits, for the win.Alex Verdugo had two hits and three RBIs.

Red Sox lost the series 1–2 (15–14 runs)

June 16–June 18, vs.New York Yankees

The Red Sox won the opener of a three-game home series against the Yankees, 15–5.Justin Turner had two home runs (one agrand slam) and six RBIs.Masataka Yoshida had four hits and three RBIs. StarterTanner Houck was struck by a batted ball in the top of the fifth inning and had to leave the game.^[77] RelieverJoe Jaques entered the game, pitched two innings, and earned the win. The middle game of the series, scheduled for Saturday evening, was rained out and rescheduled for Sunday afternoon as the first game of a splitdoubleheader.^[78] In Sunday's first game, the Red Sox overcame two first-inning Yankee runs to win, 6–2.Kaleb Ort served as anopener, whileNick Pivetta, the second of three relievers, earned the win. Boston completed the series sweep with a 4–1 win on Sunday night. StarterBrayan Bello evened his record to 4–4 on the season, pitching seven innings while allowing one run on four hits.Kenley Jansen recorded his 15thsave of the season.

Red Sox won the series 3–0 (25–8 runs)

June 19–June 22, atMinnesota Twins

Boston opened a four-game series in Minnesota with a 9–3 win. StarterJames Paxton earned the win after pitching6+1⁄3 innings while allowing three runs on three hits.Alex Verdugo had two hits and four RBIs. In the second game of the series, the Red Sox held a 3–0 lead after six innings that they expanded to 8–0 after seven innings; the Twins scored some late runs for a 10–4 final. StarterKutter Crawford earned his second win of the year, holding Minnesota scoreless on six hits in five innings.Corey Kluber earned a three-inningsave.Christian Arroyo was 5-for-5 with four RBIs. The Twins won the third game of the series, 5–4 in 10 innings. Tied at 4–4 after regulation, Boston was unable score in the top of the 10th inning, and Minnesota pushed across a run in the bottom of the inning for the win. StarterGarrett Whitlock had ano decision after allowing four runs on eight hits in seven innings.Kaleb Ort took the loss in relief. CatcherReese McGuire left the game with an injury, later reported as anoblique strain.^[79]Justin Turner homered. Minnesota won the final game, 6–0, to split the series. OpenerJustin Garza pitched the first inning, allowing three runs on four hits, and took the loss. The Red Sox were limited to three hits.

Red Sox split the series 2–2 (23–18 runs)

June 23–June 25, atChicago White Sox

The Red Sox won the opener of a three-game series visiting the White Sox, 3–1. StarterBrayan Bello improved to 5–4 on the year, allowing one run on six hits in6+2⁄3 innings.Rafael Devers hit his 18th home run of the season, andKenley Jansen recorded his 16thsave. Boston lost the middle game of the series, 5–4. StarterJames Paxton had ano decision after allowing one run on two hits in four innings. With the score tied at 4–4 entering the bottom of the ninth, Jansen allowed one run on two hits and took the loss.Triston Casas homered. The Red Sox also lost the final game of the series, 4–1. StarterKutter Crawford fell to 2–4 on the season after allowing four runs on five hits in six innings.Adam Duvall had two of Boston's five hits, and drove in the only run.

Red Sox lost the series 1–2 (8–10 runs)

June 27–June 29, atMiami Marlins

A three-game home series against the Marlins began with a 10–1 loss. StarterGarrett Whitlock fell to 4–3 on the season after allowing six runs on 11 hits in4+2⁄3 innings.Triston Casas was 3-for-4 at the plate. Miami won the second game of the series, 6–2. Opener (baseball)|OpenerKaleb Ort went two innings while allowing one run on two hits.Nick Pivetta then pitched3+1⁄3 innings, allowing two runs on one hit, and took the loss.Rafael Devers hit his 19th home run of the season. The Marlins completed the series sweep with a 2–0 win on Thursday. StarterBrayan Bello took the loss after allowing one run on two hits in seven innings. The Red Sox were limited to four hits.

Red Sox lost the series 0–3 (18–3 runs)

June 30, atToronto Blue Jays

The Red Sox opened a three-game series in Toronto with a 5–0 win. StarterJames Paxton earned the win having held the Blue Jays scoreless on three hits in7+2⁄3 innings.Masataka Yoshida had three hits including a home run.

Boston ended June with a 41–42 record, in last place of theAL East, 15games behind Tampa Bay.

The Red Sox entered July with a 41–42 record, having just won the first game of a three-game series in Toronto.

July 1–July 2, atToronto Blue Jays (cont'd)

Boston won the middle game of the series, 7–6. Holding a 6–2 lead after six innings, the game went into the bottom of the ninth with a 7–5 score. The Blue Jays scored one run but then hadBo Bichette thrown out at the plate byAlex Verdugo to end the game.^[80] StartKutter Crawford improved to 3–4 on the season after allowing two runs on three hits in5+2⁄3 innings.Kenley Jansen recorded his 17thsave of the season. Boston also won the final game by one run, 5–4, to complete the series sweep. Tied entering the ninth inning, a solo home run by Verdugo proved to be the winning margin.Jarren Duran had five hits and scored three runs. StarterGarrett Whitlock left the game after the first inning due to elbow tightness;^[81] he was followed by five relievers.Chris Martin pitched a scoreless eighth inning for the win, andJoe Jacques pitched a scoreless ninth inning to earn his first major-league save.^[82]

Red Sox won the series 3–0 (17–10 runs)

July 4–July 6, vs.Texas Rangers

The Red Sox fell to the Rangers, 6–2, to begin a three-game home series.Opener Brennan Bernardino had ano decision while the loss went toKaleb Ort, the second of six Boston pitchers. A rain delay in the eighth inning lasted 107 minutes.^[83] The Red Sox won the middle game of the series, 4–2. StarterBrayan Bello improved to 6–5 on the season, allowing two runs on eight hits in seven innings.Kenley Jansen recorded his 18thsave of the season.Justin Turner had two hits and two RBIs. The third game of the series was also won by Boston, 10–6, largely due to a six-run seventh inning. The team used six pitchers, with starterKutter Crawford pitching four innings for ano decision, allowing three runs on seven hits.Josh Winckowski, who pitched the seventh and eighth innings without allowing a hit or run, got the win.Rafael Devers had two hits and two RBIs.

Red Sox won the series 2–1 (16–14 runs)

July 7–July 9, vs.Oakland Athletics

A three-game home series hosting the Athletics opened with a 7–3 Red Sox win. OpenerBrennan Bernardino went two innings, allowing no runs and one hit. He was followed byNick Pivetta, who earned the win after pitching five innings and allowing three runs (two earned) on four hits.Jarren Duran had two hits, including a triple, and an RBI. Boston won the middle game of the series, 10–3. StarterJames Paxton allowed two runs on six hits in six innings and earned the win. Duran had three hits (including a home run), scored three runs, and drove in three runs. The Red Sox completed the series sweep with a 4–3 win on Sunday afternoon. OpenerTayler Scott was the first of six Boston pitchers.Chris Martin pitched the eighth inning and got the win, andKenley Jansen recorded his 19thsave of the season.Adam Duvall homered and drove in two runs.

Red Sox won the series 3–0 (21–9 runs)

July 11,MLB All-Star Game

Boston reached the All-Star Game break with a 48–43 record, twogames out of awild card spot.Kenley Jansen was the only Boston player selected to the game, played atT-Mobile Park in Seattle.^[84] Jansen pitched to one batter, recording a strikeout, as theAmerican League fell to theNational League, 3–2.

July 14–July 16, atChicago Cubs

AtWrigley Field, Boston won the opener of a three-game series, 8–3. StarterBrayan Bello improved to 7–5 on the season after allowing three runs on eight hits in six innings. With the bases loaded and two outs in the bottom of the ninth inning,Kenley Jansen was brought in and recorded the final out for his 20thsave of the season. The Red Sox hit six home runs, including two byRafael Devers. Boston lost the middle game of the series, 10–4. StarterJames Paxton took the loss after allowing six runs on three hits in three innings.Triston Casas hit his 11th home run of the season. The Red Sox won the final game of the series, 11–5, with all of the Cubs' runs coming in the final two innings. StarterKutter Crawford held Chicago scoreless in six innings while only allowing one hit and fourwalks.Masataka Yoshida had three hits, including a home run, and drove in six runs.

Red Sox won the series 2–1 (23–18 runs)

July 17–July 19, atOakland Athletics

The Red Sox began a three-game series in Oakland with a 7–0 win. OpenerBrennan Bernardino pitched two innings and allowed the only hit the Athletics recorded.Nick Pivetta then pitched six innings while only allowing twowalks; his 13 strikeouts set a new franchise record for the most strikeouts in a relief appearance.^[85]Connor Wong had three hits and drove in three runs. Boston lost the second game of the series, 3–0. OpenerJoe Jacques allowed all three runs in1+1⁄3 innings on four hits.Masataka Yoshida had two of Boston's five hits. Boston lost the final game of the series, 6–5. StarterBrayan Bello fell to 7–6 on the season, having allowed six runs on five hits (including three home runs) in four innings.Justin Turner drove in three runs whileAdam Duvall was the only Boston batter with two hits.

Red Sox lost the series 1–2 (12–9 runs)

July 21–July 23, vs.New York Mets

The Friday night opener of a three-game home series wassuspended with the Mets leading, 4–3, in the bottom of the fourth inning; it was set to resume at 2:10 p.m. on Saturday, with Saturday's scheduled game moved to a 7:10 p.m. start time.^[86] On Saturday afternoon, Friday's game was completed, with the Mets winning, 5–4. Boston starterKutter Crawford took the loss after allowing four runs on four hits in four innings.Yu Chang had two RBIs. Saturday's regularly scheduled game was won by Boston, 8–6. StarterJames Paxton improved to 6–2 on the season, having allowed three runs (two earned) on three hits in six innings.Kenley Jansen earned asave.Triston Casas had two home runs andMasataka Yoshida had three hits. The Red Sox won the final game of the series, 6–1, on Sunday evening. OpenerBrennan Bernardino pitched1+2⁄3 innings; he was followed byChris Murphy who earned the win after pitching3+2⁄3 innings while allowing one run on three hits.Adam Duvall had two hits and two RBIs.

Red Sox won the series 2–1 (18–12 runs)

July 25–July 26, vs.Atlanta Braves

The opening game of a two-game home series had its start delayed for over an hour by rain, then was won by the Red Sox, 7–1. The game featured atriple play by the Braves—it occurred in the bottom of the third inning with runners on first and second with no outs, and was scored by ESPN.com as: "Casas flied into triple play, center to first to third,Duvall doubled off first,Yoshida out at third."^[87] OpenerJohn Schreiber pitched one inning and allowed the Braves' only run. He was followed byNick Pivetta, who earned the win after only allowing three hits in five innings.Masataka Yoshida had three hits and two RBIs. Boston also won the second game of the series, 5–3. StarterBrayan Bello had a no decision after allowing three runs on four hits in six innings. RelieverJoe Jacques pitched an inning without allowing a hit or a run and earned the win.Kenley Jansen earned asave.Justin Turner had two hits and two RBIs.

Red Sox won the series 2–0 (12–4 runs)

July 28–July 30, atSan Francisco Giants

Boston won the opener of a three-game road series in San Francisco, 3–2. StarterKutter Crawford improved to 5–5 on the season after allowing one run on three hits in5+2⁄3 innings.Kenley Jansen recorded his 23rdsave of the season.Triston Casas had two hits, one of them a home run, and two RBIs. The Red Sox lost the middle game of the series, 3–2. Losing by two runs entering the ninth inning, Boston scored twice to tie the game, 2–2. In the bottom of the inning, Jansen's first pitch was hit for awalk-off home run byJ. D. Davis. StarterJames Paxton allowed one run on eight hits in five innings.Justin Turner had two hits and two RBIs. The final game of the series took 11 innings to decide, and was won by the Giants, 4–3. OpenerBrennan Bernardino was the first of seven Red Sox pitchers;Mauricio Llovera allowed two hits in the 11th inning and took the loss. Turner again had two RBIs.

Red Sox lost the series 1–2 (8–9 runs)

July 31, atSeattle Mariners

The Red Sox lost the opener of the three-game series in Seattle, 6–2. StarterNick Pivetta took the loss, having allowed three runs on five hits in7+1⁄3 innings.Rafael Devers had three hits.

Boston ended July with a record of 56–50, in fourth place of theAmerican League East and2+1⁄2games out of awild card playoff berth.

The Red Sox entered August with a record of 56–50, having just lost the opener of a three-game series in Seattle.

August 1–August 2, atSeattle Mariners (cont'd)

The Red Sox won the middle game of the series, 6–4.Brayan Bello improved to 8–6 on the season after allowing four runs on eight hits in six innings.Kenley Jansen earned his 24thsave whileReese McGuire returned to the lineup and hit his first home run of the season. Seattle won the final game of the series, 6–3. Boston starterKutter Crawford had ano decision after holding the Mariners scoreless on four hits in five innings. RelieverJohn Schreiber allowed four runs on three hits in one inning and took the loss.Jarren Duran had a two-run homer.

Red Sox lost the series 1–2 (11–16 runs)

August 4–August 6, vs.Toronto Blue Jays

The Red Sox lost the opener of a three-game series hosting the Blue Jays, 7–3. StarterJames Paxton allowed four runs on nine hits in five innings and took the loss.Jarren Duran had three hits, including a home run. The middle game of the series was also won by Toronto, 5–4. Opener (baseball)|OpenerJohn Schreiber pitched a scoreless first inning, whileNick Pivetta pitched the next four innings while allowing three runs on six hits.Brennan Bernardino, the third of six Red Sox pitchers, allowed one run and three hits in one-third of an inning and took the loss.Rafael Devers had two hits, including a home run, and three RBIs. The Blue Jays completed the series sweep with a 13–1 win on Sunday afternoon. Bernardino pitched the first inning as an opener, allowing no runs on two hits. He was followed byChris Murphy who allowed six runs on seven hits in2+1⁄3 innings and took the loss. Boston's only run came on aTriston Casas homer.

Red Sox lost the series 0–3 (8–25 runs)

August 7–August 10, vs.Kansas City Royals

The Red Sox ended their four-game losing streak with a 6–2 win over the Royals at Fenway. Tied at 2–2 in the bottom of the ninth inning with two outs,Pablo Reyes hit awalk-off grand slam. StarterBrayan Bello had a no decision after allowing one run on six hits in6+2⁄3 innings. CloserKenley Jansen got the win. Boston lost the second game of the series, 9–3. StarterKutter Crawford took the loss after allowing three runs on seven hits in3+1⁄3 innings.Adam Duvall homered. The Red Sox won the third game of the series, 4–3. StarterNick Pivetta went five innings and earned the win after allowing two runs on four hits. Jansen recorded his 25thsave of the season.Alex Verdugo drove in two runs. The Red Sox won the final game of the series, 2–0. StarterJames Paxton earned the win, pitching5+1⁄3 scoreless innings while allowing six hits. Jansen earned another save, while Duvall had two hits and one RBI.

Red Sox won the series 3–1 (15–14 runs)

August 11–August 13, vs.Detroit Tigers

The Red Sox opened a three-game home series with a 5–2 win over the Tigers. StarterChris Sale returned from the 60-dayinjured list and pitched4+2⁄3 innings while allowing two runs on one hit while striking out seven batters.Kyle Barraclough got the win after pitching the next1+1⁄3 innings.Chris Murphy then pitched the final three innings for asave.Triston Casas had a three-run home run. Detroit won the middle game of the series, 6–2. Boston starterBrayan Bello took the loss after allowing four runs on nine hits in4+2⁄3 innings.Justin Turner homered. The Red Sox won the final game of the series, 6–3. StarterKutter Crawford allowed two runs on three hits in4+2⁄3 innings and had ano decision.Garrett Whitlock, the second of four Boston relievers, got the win.Kenley Jansen earned a save.Adam Duvall drove in four runs, whileTrevor Story had four hits.

Red Sox won the series 2–1 (13–11 runs)

August 15–August 17, atWashington Nationals

Boston opened a three-game series inD.C. with a 5–4 win. StarterNick Pivetta had ano decision after allowing four runs on five hits in4+1⁄3 innings.John Schreiber, the second of five relievers, earned the win, whileKenley Jansen earned his 28thsave of the season.Triston Casas had two hits and two RBIs. The Nationals won the series' second game, 6–2. Boston starterJames Paxton allowed two runs on five hits in six innings and had a no decision. RelieverGarrett Whitlock allowed four runs on three hits in the eighth inning and took the loss.Pablo Reyes had a two-run home run. The final game of the series was also won by Washington, 10–7. Trailing 9–1 entering the seventh inning, Boston scored six runs, four on agrand slam byLuis Urías, but could not rally further. StarterChris Sale took the loss after allowing three runs (two earned) on two hits and three walks in4+1⁄3 innings.

Red Sox lost the series 1–2 (14–20 runs)

August 18–August 20, atNew York Yankees

Inthe Bronx, the Red Sox opened a three-game series with an 8–3 win. StarterBrayan Bello earned the win after allowing one run on six hits in six innings.Masataka Yoshida had two hits and four RBIs., whileRafael Devers andJustin Turner each had three hits and two RBIs. Boston won the second game of the series, 8–1, with four runs coming on a second-inninggrand slam byLuis Urías. Devers andPablo Reyes each had three hits and an RBI. StarterKutter Crawford earned the win after allowing one run on one hit in six innings. The Red Sox completed the series sweep with a 6–5 win on Sunday afternoon. OpenerJosh Winckowski pitched a scoreless first inning; he was followed byNick Pivetta who allowed two runs on three hits in five innings. The win went toChris Martin, who pitched a scoreless eighth inning;Kenley Jansen pitched the ninth and earned asave. It was the Yankees' eighth consecutive loss.^[88]

Red Sox won the series 3–0 (22–9 runs)

August 21–August 24, atHouston Astros

In a game with 27 total hits, Boston lost the opener of a four-game set in Houston, 9–4.Adam Duvall had three hits, including a first-inning three-run home run. The Red Sox were 3-for-18 at the plate withrunners in scoring position. StarterJames Paxton took the loss after allowing seven runs (six earned) on nine hits in four innings. Boston also lost the second game of the series, 7–3. StarterTanner Houck, in his return from theinjured list, took the loss after allowing three runs on four hits in five innings.Justin Turner had two hits and drove in two runs, whileWilyer Abreu was 2-for-3 in his MLB debut. The third game of the series was won by the Red Sox, 7–5, in 10 innings. After the Astros jumped out to an early 3–0 lead, the Red Sox tied the game at 4–4 in the fifth inning. That remained the score into the 10th inning, when Boston outscored Houston, 3–1. StarterChris Sale allowed four runs on six hits in five innings.Kenley Jansen left the game with an apparent injury in the ninth inning; he was replaced byNick Pivetta, who earned the win.Josh Winckowski pitched the 10th inning and earned thesave. Duvall had two hits, including a home run, and three RBIs. In the final game of the series, Boston's offense produced 24 hits in a 17–1 win. Abreu,Alex Verdugo, andConnor Wong each had four hits. StarterBrayan Bello recorded his 10th win of the season after allowing one run on nine hits in seven innings.

Red Sox split the series 2–2 (31–22 runs)

August 25–August 27, vs.Los Angeles Dodgers

The opener of a three-game series at Fenway was won by the Dodgers, 7–4. Boston starterKutter Crawford had ano decision after allowing two runs on four hits in five innings. The loss went to relieverNick Pivetta, who allowed four runs on four hits in two innings.Alex Verdugo had three hits, including a first-inning home run. The middle game of the series was an 8–5 Boston win. StarterJames Paxton went4+1⁄3 innings and received a no decision, having allowed four runs on four hits.Brennan Bernardino, the third of six Boston pitchers, recorded the final out of the sixth inning and was credited with the win.John Schreiber pitched a scoreless ninth inning for thesave.Justin Turner had three hits and two RBIs, whileAdam Duvall had two hits and three RBIs. ShortstopPablo Reyes exited the game with left elbow discomfort.^[89] The Dodgers won the final game of the series, 7–4. Boston starterTanner Houck allowed one run on five hits in four innings and took the loss.Triston Casas had a two-run home run.

Red Sox lost the series 1–2 (16–19 runs)

August 28–August 30, vs.Houston Astros

Boston opened a three-game home series with a 13–5 loss to Houston. The Red Sox held a 4–3 lead after five innings, but the Astros pushed across six runs in the sixth inning. StarterChris Sale had ano decision after allowing three runs on seven hits in4+2⁄3 innings. RelieverKyle Barraclough took the loss after allowing 10 runs on 11 hits in4+1⁄3 innings.Masataka Yoshida had three hits, whileJose Altuve of the Astroshit for the cycle. The second game of the series also saw the Red Sox lose, 6–2. StarterBrayan Bello fell to 10–8 on the season after allowing three runs (two earned) on four hits in4+2⁄3 innings.Adam Duvall hit his 18th home run of the season. The Astros completed the series sweep with a 7–4 win on Wednesday afternoon. Boston starterKutter Crawford took the loss after allowing six runs on seven hits in2+2⁄3 innings.Triston Casas had three hits.

Red Sox lost the series 0–3 (11–26 runs)

The Red Sox reached the end of August with a record of 69–65, having gone 13–15 during the month, in fourth place of theAmerican League East and6+1⁄2 games out of awild card playoff berth.

The Red Sox entered September with a record of 69–65, having just had an off day following four consecutive losses.

September 1–September 3, atKansas City Royals

The Red Sox opened September with a 13–2 loss in Kansas City, the first game of a three-game series.Beat writer Peter Abraham ofThe Boston Globe called it "one of the ugliest losses in franchise history."^[90] StarterJames Paxton allowed six runs on five hits in1+1⁄3 innings and took the loss. The other seven runs were allow by relieverBrandon Walter in four innings of work.Alex Verdugo had a two-run home run. Boston won the middle game of the series, 9–5, after jumping out to an 8–1 lead through four innings. StarterTanner Houck earned the win after allowing four runs on seven hits in five innings.Nick Pivetta pitched the final three innings to earn asave. Verdugo had three hits whileTriston Casas hit his 22nd home run of the season. The Red Sox won the final game of the series, 7–3, on Sunday afternoon. StarterChris Sale earned his sixth win of the season, allowing no runs on two hits in five innings.Masataka Yoshida had two hits, including a three-run home run.

Red Sox won the series 2–1 (18–21 runs)

September 4–September 6, atTampa Bay Rays

Boston won the opener of a three-game road series, 7–3.Brayan Bello earned his 11th win of the season, having allowed three runs on five hits in six innings.Triston Casas had two hits, including his 23rd home run of the season, and four RBIs. The second game of the series was tied, 5–5, after nine innings; Tampa Bay won, 8–6, on awalk-off home run byBrandon Lowe in the 11th inning. Boston startedKutter Crawford had ano decision after allowing five runs on three hits in3+2⁄3 innings.Kenley Jansen took the loss after allowing three runs (two earned) on a hit and a walk without retiring a batter in the 11th.Ceddanne Rafaela had three hits. The final game of the series was also won by the Rays, 3–1. Boston starterNick Pivetta took the loss, having allowed three runs on seven hits in4+2⁄3 innings.Connor Wong drove in Boston's only run.

Red Sox lost the series 1–2 (14–14 runs)

September 8–September 10, vs.Baltimore Orioles

A Baltimore win, 11–2, opened a three-game series at Fenway. StaterTanner Houck fell to 4–9 for the season, having allowed five runs on eight hits in5+1⁄3 innings.Connor Wong had two of Boston's four hits. In the middle game of the series, the two teams combined for 25 runs and 37 hits—it was won by the Orioles, 13–12. The start of the game was delayed for approximately 90 minutes by rain. Red Sox starting pitcherChris Sale took the loss after allowing seven runs (six earned) on six hits in four innings.Wilyer Abreu was 5-for-5 with three RBIs. Boston avoided a sweep with a 7–3 win on Sunday. The game's start was again delayed by rain (42 minutes) and also had a delay in the eighth inning (88 minutes).^[91]Brayan Bello earned his 12th win of the season after allowing three runs on seven hits in five innings.Triston Casas hit a three-run homer.

Red Sox lost the series 1–2 (21–27 runs)

September 11–September 14, vs.New York Yankees

The opening game of a four-game home series, scheduled for Monday evening, was postponed due to rain, resulting in a day-nightdoubleheader being scheduled for Tuesday.^[92] On Tuesday, the Yankees won both games; 3–2 and 4–1. In the first game, Boston starterNick Pivetta fell to 9–9 on the season after allowing three runs on four hits in5+1⁄3 innings.Triston Casas had three hits. In the second game, starterKutter Crawford allowed one run on three hits in4+1⁄3 innings and had ano decision.Josh Winckowski, the first of six Boston relievers, allowed one run on one hit in1+1⁄3 innings and took the loss.Kenley Jansen left the game abruptly after facing two batters in the ninth inning;^[93] the next day, he was placed on the COVID-related injured list.^[94]Ceddanne Rafaela was the only Boston batter with two hits. Wednesday night's game was also postponed due to rain, resulting in another day-night doubleheader being scheduled for Thursday.^[95] The teams split their doubleheader on Thursday, with Boston winning the first game, 5–0, and New York winning the second game, 8–5. StarterTanner Houck got the win in the first game, having pitched six scoreless innings while allowing four hits.Wilyer Abreu had three hits andTrevor Story had a three-run homer.Nick Robertson served as the Red Soxopener in the second game.Mauricio Llovera, the fifth of six Boston pitchers, took the loss after allowing the go-ahead run in the eighth inning.Rafael Devers had three hits, including his 31st home run of the season.

Red Sox lost the series 1–3 (13–15 runs)

September 15–September 17, atToronto Blue Jays

With a 3–0 loss to the Blue Jays to open a three-game road series, the Red Sox fell to 74–74 for the season. StarterBrayan Bello allowed three runs on four hits in six innings and took the loss.Justin Turner had two of Boston's five hits. Toronto also won the second game of the series, 4–3 inextra innings, dropping the Red Sox below .500 for the season. StarterChris Sale had ano decision after allowing one run on two hits in six innings.Mauricio Llovera, the eighth Boston pitcher of the game, took the loss after allowing the winning run in the 13th inning.Rafael Devers had a two-run home run. The Blue Jays completed their series sweep with a 3–2 win on Sunday afternoon. StarterNick Pivetta allowed two runs on four hits in6+1⁄3 innings and had a no decision.Garrett Whitlock allowed the winning run in the ninth inning and took the loss. Devers homered again.

Red Sox lost the series 0–3 (5–10 runs)

September 18–September 20, atTexas Rangers

The Red Sox won the first game of a three-game series inArlington, 4–2. StarterKutter Crawford had ano decision after allowing two runs on four hits in six innings.Josh Winckowski, the first of three Boston relievers, pitched one scoreless inning and was credited with the win.Chris Martin pitched a scoreless ninth inning and earned asave.Rob Refsnyder had two RBIs. The Rangers won the middle game of the series, 6–4. Red Sox starterTanner Houck had a no decision after allowing two runs on three hits in four innings.Chris Murphy, the third of five Boston relievers, allowed two runs in one-third of an inning and took the loss.Masataka Yoshida had two RBIs. The final game of the series was a 15–5 Texas win. StarterBrayan Bello took the loss after allowing eight runs on eight hits in three innings.Adam Duvall hit a three-run home run. This loss, coupled with a win by Toronto a few hours later, eliminated the Red Sox from postseason contention.^[96]

Red Sox lost the series 1–2 (13–23 runs)

September 22–September 24, vs.Chicago White Sox

Boston's final homestand of the season began with a 3–2 win over the White Sox. StarterChris Sale had ano decision after allowing no runs on three hits in five innings.Mauricio Llovera pitched the eighth inning and earned the win, whileChris Martin pitched the ninth inning and earned asave.Trevor Story had three hits. The middle game of the series was won by Chicago, 1–0. StarterNick Pivetta pitched seven scoreless innings and had a no decision.Josh Winckowski pitched the final two innings, allowing one run on two hits, and took the loss.Masataka Yoshida had three hits. The White Sox won the final game of the series, 3–2, with the game shortened to six innings due to rain.^[97] StarterKutter Crawford took the loss after allowing three runs on four hits in5+1⁄3 innings.Adam Duvall andWilyer Abreu both homered.

Red Sox lost the series 1–2 (5–6 runs)

September 26–September 27, vs.Tampa Bay Rays

The final home series of the season, a two-game set, began with a 9–7 loss to Tampa Bay. StarterTanner Houck fell to 5–10 on the season after allowing seven runs (six earned) on 10 hits in three innings.Enmanuel Valdez had three hits and four RBIs. The Rays also won the second game of the series, 5–0, giving Boston 82 losses and ensuring a losing record for the season. StarterBrayan Bello fell to 12–11 for the season after allowing five runs on nine hits in six innings. Boston was limited to three hits.

Red Sox lost the series 0–2 (7–14 runs)

September 28–October 1, atBaltimore Orioles

Boston's final series of the season opened with a 2–0 loss atCamden Yards. StarterChris Sale fell to 6–5 on the season after allowing one run on three hits in five innings. Boston was again limited to three hits. The Red Sox won the second game of the series, 3–0. StarterNick Pivetta improved to 10–9 on the season after holding the Orioles to two hits in seven innings.Garrett Whitlock pitched the final two innings and earned asave.Trevor Story had a two-run home run. Boston lost their penultimate game of the season, 5–2. StarterKutter Crawford had ano decision after allowing only a single hit in six innings. RelieverJosh Winckowski allowed two runs on three hits in one inning and took the loss.Masataka Yoshida had three hits. Boston won their final game of the season, 6–1. StarterTanner Houck earned the win after allowing just one hit through six innings.Rafael Devers drove in his 100th run of the season. The Red Sox were limited to five hits but the Orioles committed threeerrors.

Red Sox split the series 2–2 (11–8 runs)

With an overall record of 78–84, the Red Sox finished in last place of theAmerican League East.

Updated through end of the season.
†Minimum 3.1plate appearances per team games played
   AVG qualified batters: Casas, Devers, Turner, Verdugo, Yoshida
‡Minimum 1inning pitched per team games played
   ERA & WHIP qualified pitchers: none